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[Launchpad Bug Tracker <1156314@xxxxxxxxxxxxxxxxxx>]

[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

** Changed in: linux (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1156314

Title:
  [Lenovo IdeaPad U300s] Trackpad detected as PS/2 Generic Mouse

Status in “linux” package in Ubuntu:
  Expired

Bug description:
  My Lenovo U300s Trackpad usually does not work (anymore).  Sometimes it has full functionality, and all of a sudden it will not cease responding to any input, and I cannot correlate these events to anything.  I see that the trackpad is detected as a PS/2 Generic Mouse in these cases.  The problem does not solve itself on reboot, but seems to solve itself at random.  The duty cycle of the problem's occurance has increased from maybe 10% to 80% of the time I use the laptop.  Using an external mouse is a hassle.   Attached are outputs and files from:
  dmesg
  /proc/bus/input/devices
  /var/log/Xorg.0.log
  /proc/version_signature
  lspci -vnvn
  lsb_release -rd
  apt-cache policy linux

  Please, please advise.  Thank you.
  --- 
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu17.1
  Architecture: i386
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: PCH [HDA Intel PCH], device 0: CONEXANT Analog [CONEXANT Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  tim        1915 F.... pulseaudio
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xf7e00000 irq 49'
     Mixer name	: 'Intel CougarPoint HDMI'
     Components	: 'HDA:14f1506e,17aa5003,00100002 HDA:80862805,17aa5003,00100000'
     Controls      : 28
     Simple ctrls  : 14
  DistroRelease: Ubuntu 12.04
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=2f42e602-39a9-4e7d-a489-069f3ab3cd47
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
  MachineType: LENOVO 1080
  MarkForUpload: True
  Package: linux (not installed)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-38-generic-pae root=UUID=b540adce-2f54-4009-bcc5-60e627db4af8 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.2.0-38.61-generic-pae 3.2.37
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-38-generic-pae N/A
   linux-backports-modules-3.2.0-38-generic-pae  N/A
   linux-firmware                                1.79.1
  StagingDrivers: mei
  Tags:  precise running-unity staging
  Uname: Linux 3.2.0-38-generic-pae i686
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 01/09/2012
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 56CN42WW
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: U300s
  dmi.board.vendor: LENOVO
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Lenovo IdeaPad U300s
  dmi.modalias: dmi:bvnLENOVO:bvr56CN42WW:bd01/09/2012:svnLENOVO:pn1080:pvrLenovoIdeaPadU300s:rvnLENOVO:rnU300s:rvr1.0:cvnLENOVO:ct10:cvrLenovoIdeaPadU300s:
  dmi.product.name: 1080
  dmi.product.version: Lenovo IdeaPad U300s
  dmi.sys.vendor: LENOVO

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